diff --git a/build-constraints.yaml b/build-constraints.yaml
index c7ac80b3..f0f9557d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2834,9 +2834,6 @@ expected-test-failures:
 
     # https://github.com/fpco/stackage/issues/1459
     - twitter-conduit
-
-    # https://github.com/l29ah/monad-peel/issues/1
-    - monad-peel
 # end of expected-test-failures
 
 # Benchmarks which are known not to build. Note that, currently we do not run